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Add console command for deleting old channel tables

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This commit is contained in:
Calvin Montgomery 2014-06-23 22:15:57 -07:00
parent c768d9595c
commit 36c4e41131
2 changed files with 44 additions and 3 deletions
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41
lib/database/update.js
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@ -26,8 +26,7 @@ module.exports.checkVersion = function () {
var next = function () {
hasUpdates.push(v);
if (v < DB_VERSION) {
update(v++, next);
} else {
update(v++, next); } else {
db.query("UPDATE `meta` SET `value`=? WHERE `key`='db_version'",
[DB_VERSION]);
}
@ -45,7 +44,11 @@ function update(version, cb) {
Q.fcall(mergeChannelLibraries),
Q.fcall(mergeChannelRanks),
Q.fcall(mergeChannelBans)
]).done(cb)
]).done(function () {
Logger.syslog.log("Merged channel tables. Please verify that everything " +
"is working correctly, and then type '/delete_old_tables'" +
" into the CyTube process to remove the unused tables.");
})
}
}
@ -182,3 +185,35 @@ function mergeChannelBans(cb) {
}
}).done(cb);
}
module.exports.deleteOldChannelTables = function (cb) {
Q.nfcall(db.query, "SHOW TABLES")
.then(function (rows) {
rows = rows.map(function (r) {
return r[Object.keys(r)[0]];
}).filter(function (r) {
return r.match(/chan_(.*?)_(library|ranks|bans)$/);
});
var queue = [];
rows.forEach(function (table) {
queue.push(Q.nfcall(db.query, "DROP TABLE `" + table + "`")
.then(function () {
Logger.syslog.log("Deleted " + table);
}).catch(function (err) {
Logger.errlog.log("Deleting " + table + " failed: " + err);
if (err.stack) {
Logger.errlog.log(err.stack);
}
})
);
});
return Q.all(queue);
}).catch(function (err) {
Logger.errlog.log("Deleting old tables failed: " + err);
if (err.stack) {
Logger.errlog.log(err.stack);
}
}).done(cb);
};